M 5.5 in United States on 19 Oct 2020 21:32 UTC

Hazard models

EQ parameters
Shakemap
Tsunami

Event summary

This earthquake is expected to have a low humanitarian impact based on the magnitude and the affected population and their vulnerability.

Earthquake Magnitude: 5.5M
Depth: 15.52 Km
Lat/Lon: 54.2393 , -159.6532
Event Date: 19 Oct 2020 21:32 UTC
19 Oct 2020 10:32 Local
Exposed Population: No people within 100km
Source: NEIC us6000c9km
Inserted at: 20 Oct 2020 21:37 UTC
INFORM Coping capacity of the alert score: 2.2 (United States)

GDACS Score

For more info on GDACS alert score click here.
  Earthquake
(Shakemap)		 GDACS score
NEIC 0 0
us6000c9km Scaled population (raster) 0  
  C1 shakemap -0.59  
  C2 shakemap 0.53  
  Country Vulnerability 0  
  INFORM_normalised 0.65  
Maximum expected impact using different data sources.

ShakeMap is a product of the USGS Earthquake Hazards Program in conjunction with the regional seismic networks. ShakeMaps provide near-real-time maps of ground motion and shaking intensity following significant earthquakes.


Episode Timeline

IDAlertScoreDateMag, DepthMMI*Population**Tsunami risk***Delay (hh:mm)Source
1338506 0 19 Oct 2020 21:32 5.2M, 11.9km N/A No people affected (in 100km) 00:10 ALASKA EC
1338508 0 19 Oct 2020 21:32 5.5M, 15.52km 3.73 N/A (in MMI>=VII) 1d 00:05 NEIC
The episode that generated the alert; the next major evaluations beyond 12 hours will not trigger additional alerts.
The episode that has the last updated information.
* The max MMI detected for sources having shakemaps;
** The population detected in MMI>=7 for episode with shakemap or in a 100km radius;
*** The tsunami max height.

Exposed population

The earthquake happened in United States ,of Alaska. The alertlevel for this event is GREEN

Intensity Population
no people


Shakemaps Timeline

AlertShake id #ScoreepisodeidLat/LonMagnitudeDepthMax MMIDate shake (UTC)Delay (hh:mm) 
1 0 1338508 54.239/-159.653 5.5 15.5 3.731 19 Oct 2020 21:51 00:19 (new episode)
2 0 1338508 54.239/-159.653 5.5 15.5 3.731 19 Oct 2020 22:29 00:56 (upd of #1)
3 0 1338508 54.239/-159.653 5.5 15.5 3.731 19 Oct 2020 23:38 02:06 (upd of #2)
4 0 1338508 54.239/-159.653 5.5 15.5 3.731 20 Oct 2020 21:37 1d 00:05 (upd of #3)

Affected Provinces

Intensity Region Province Country Population
Alaska United States no people


Critical infrastructure

Airports, ports, nuclear plants and hydrodams at risk, if affected, are listed below.

More information

For a full list of available products related to this event, please refer to the GDACS Resources page.